Once your students have drafted a persuasive letter, use this lesson to help them polish their writing. Students will use a checklist to ensure that all of the most important parts of their letter are included and the argument is solid.

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.